Date: April 2026
Version Analyzed: 9.1.250226
Vendor: Hex-Rays SARL
Product Category: Interactive Disassembler / Reverse Engineering Framework
Bundled Helper Tools: As of version 9.1, many previously separate utilities—such as Flare and IDA Clang—are now shipped within the standard installer for all platforms. IDA Pro 9.1.250226 -Win Mac Lin ux- SDK and utilities
Title: The Midnight Build: IDA Pro 9.1.250226 Product Analysis Report: IDA Pro 9
Expanded Architectures: Updated support for RISC-V (32 and 64-bit), ARM64 ILP32, and improved TriCore instruction handling. SDK: Unified type system for decompiler plugins; decompile
IDA Feeds: This tool automatically identifies and applies the best matching FLIRT signatures, now updated to detect specific Rust versions.
The most impactful shift for heavy users is the transition to ZSTD compression
decompile now returns a citree_t with source location preservation.ida_harness for fuzzing binary emulators against IDA's output..plx and .py files run unmodified on all three OSes.idapyswitch now detects Conda and Pyenv environments automatically.zstd Compression: IDB storage now uses zstd compression, significantly reducing database file sizes and speeding up save/load operations.